Read and choose. (根据问题，选择正确答案)

1. 当你询问对方发生什么事情时.应说：       [ ]

A. What's the matter?    

B. How does John feel?

2. 当你听说对方得感冒了时，应说：_______     [ ]

A. See the doctor.        

B. Go swimming?

3. 当你的同学考试成绩不理想时应说：________        [ ]

A. You're bored.        

B. Don't worry.

4. My parents are going to buy me a gift. What do I feel?[ ]

A. I'm very happy.      

B. I'm very scared.

水痘疫苗的接种剂量为（）ml

A.0.1

B.0.5

C.1

D.3